/*--------------------------------------------------------------
# css reset, 样式重置(覆盖浏览器的默认样式)
--------------------------------------------------------------*/
* {
  margin: 0;
  padding: 0;
}
ul,
ol,
li {
  list-style: none;
}
a {
  text-decoration: none;
  /* 方便a标签颜色的设置，让他自动继承父元素的颜色 */
  color: inherit;
}
body {
  font-size: 16px;
  font-family: Source Han Sans CN;
  color: #ffffff;
}
img {
  vertical-align: top;
}

/*--------------------------------------------------------------
# 工具类
--------------------------------------------------------------*/
.flex {
  display: flex;
}
.flex-wrap {
  flex-wrap: wrap;
}
.inline-flex {
  display: inline-flex;
}
.flex-column {
  flex-direction: column;
}
.justify-content-center {
  justify-content: center;
}
.justify-content-between {
  justify-content: space-between;
}
.justify-content-evenly {
  justify-content: space-evenly;
}
.justify-content-end {
  justify-content: flex-end;
}
.align-items-center {
  align-items: center;
}
.align-items-end {
  align-items: flex-end;
}

.container {
  width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-size: 0.26rem;
  position: relative;
  text-align: center;
  padding-top: 0.32rem;
}
.section-title::before {
  content: "";
  display: block;
  width: 0.6rem;
  height: 0.06rem;
  background: #ec6941;
  border-radius: 0.03rem;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 0;
}
.section-title.blue::before {
  background: #4194f3;
}

.btn {
  font-size: 0.14rem;
  border-radius: 0.1rem;
  padding: 0.17rem 0.37rem;
  display: inline-block;
  transition: all 0.2s;
}
.btn-orange {
  background: #e46a2b;
}
.btn-orange:hover {
  background: #a74c1f;
}
.btn-blue {
  background: #4194f3;
}
.btn-blue:hover {
  background: #2c66a9;
}
/*--------------------------------------------------------------
# header
--------------------------------------------------------------*/
#header {
  background: #151f2b;
  height: 0.9rem;
  font-size: 0.2rem;
  font-family: Adobe Heiti Std;
}
#header .logo img {
  height: 0.34rem;
}
#header .nav li {
  margin-left: 0.2rem;
}
#header a {
  padding: 0.12rem 0.31rem;
  display: block;
  transition: all 0.2s;
}
#header .nav a.active,
#header .nav a:hover {
  background: #fe6913;
  border-radius: 0.1rem;
}
